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HALJIA ESP-WROOM-32 ESP32S ESP32 WLAN Bluetooth &WiFi Dual Core 240MHz CPU Module — image 1
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HALJIA ESP-WROOM-32 ESP32S ESP32 WLAN Bluetooth &WiFi Dual Core 240MHz CPU Module

$27.99
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About this item
  • ESP32 is a single-chip solution that integrates 2.4 GHz Wi-Fi and Bluetooth dual-mode, using TSMC's ultra-low power 40 nm process
  • Has the best power performance, RF performance, stability, versatility and reliability, can be used for a variety of applications and different power requirements.
  • ESP32 Designed for Mobile Devices, Wearable Electronics,IoT and so on
  • As the leading low-power chip, ESP32 has the following features:fine-resolution clock gating, power-saving modes and dynamic voltage regulation.
  • Energy consumption of ESP32 chip is least.the output power of RF power amplifier can also be adjusted to achieve the best balance between communication distance, data rate and power consumption.
Product description

Feature: -ESP32 is a single-chip solution that integrates 2.4 GHz Wi-Fi and Bluetooth dual-mode, using TSMC's ultra-low power 40 nm process -Has the best power performance, RF performance, stability, versatility and reliability, can be used for a variety of applications and different power requirements. -ESP32 Designed for Mobile Devices, Wearable Electronics,IoT and so on -As the leading low-power chip, ESP32 has the following features:fine-resolution clock gating, power-saving modes and dynamic voltage regulation. -Energy consumption of ESP32 chip is least.the output power of RF power amplifier can also be adjusted to achieve the best balance between communication distance, data rate and power consumption. Parameter: 16 MByte flash 2.2V to 3.6V operating voltage -40 Degrees Celsius to +125 Degrees Celsius operating temperature On-board PCB antenna / IPEX connector for external antenna Supports sniffer, station, softAP and Wi-Fi direct modes Max data rate of 150 Mbps@11n HT40, 72 Mbps@11n HT20, 54 Mbps@11g, and 11 Mbps@11b Maximum transmit power of 19.5 dBm@11b, 16.5 dBm@11g, 15.5 dBm@11n Minimum receiver sensitivity of -98 dBm 135 Mbps UDP sustained throughput 2.5 μA deep sleep current Application: Universal Low-Power IoT Sensor Hub Universal Low Power IoT Recorder Camera video streaming transmission OTT TV box / set top box equipment music player Internet music player Audio streaming equipment Wi-Fi toys counter Anti-lost toys Wi-Fi voice recognition device Headset Smart socket Home automation Mesh network Industrial Wireless Control Baby monitor Wearable electronics Wi-Fi Location Awareness Devices Security ID label Health care Motion monitoring and anti-lost alarm Temperature recorder Packing List: 1*ESP-WROOM-32 module

Product details
Brand
HALJIA
Manufacturer
HALJIA

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10 Trustpilot reviews total, with 2 shown at a time.

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Excellent
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Sigalit
🇮🇱 · January 2026

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

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Verified buyer
🇦🇺 · November 2025

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

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